10201212200221 has 16 divisors (see below), whose sum is σ = 12311992111104. Its totient is φ = 8262958969584.

The previous prime is 10201212200213. The next prime is 10201212200233. The reversal of 10201212200221 is 12200221210201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10201212200221 - 2³ = 10201212200213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10201212200195 and 10201212200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201212204221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381682821 + ... + 381709546.

It is an arithmetic number, because the mean of its divisors is an integer number (769499506944).

Almost surely, 2^{10201212200221} is an apocalyptic number.

It is an amenable number.

10201212200221 is a deficient number, since it is larger than the sum of its proper divisors (2110779910883).

10201212200221 is an equidigital number, since it uses as much as digits as its factorization.

10201212200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763392480.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10201212200221 its reverse (12200221210201), we get a palindrome (22401433410422).

The spelling of 10201212200221 in words is "ten trillion, two hundred one billion, two hundred twelve million, two hundred thousand, two hundred twenty-one".